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[ARM] Bind defined symbol locally in PIE 

bfd/
	PR target/20737
	* elf32-arm.c (elf32_arm_final_link_relocate): Bind defined symbol
	locally in PIE.

ld/
	* testsuite/ld-arm/pie-bind-locally-a.s: New test source.
	* testsuite/ld-arm/pie-bind-locally-b.s: Likewise.
	* testsuite/ld-arm/pie-bind-locally.d: New testcase.
	* testsuite/ld-arm/arm-elf.exp: Run new testcase.
This commit is contained in:
Jiong Wang 2016-11-24 14:01:53 +00:00
parent 51750acd08
commit 1dcb9720d6
7 changed files with 37 additions and 1 deletions
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6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2016-11-24 Jiong Wang <jiong.wang@arm.com>
PR target/20737
* elf32-arm.c (elf32_arm_final_link_relocate): Bind defined symbol
locally in PIE.
2016-11-24 Kuan-Lin Chen <kuanlinchentw@gmail.com>
* bfd/elfxx-riscv.c (howto_table): Fix bitsize of R_RISCV_ADD8.

3
bfd/elf32-arm.c
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@ -10147,7 +10147,8 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
else if (h != NULL
&& h->dynindx != -1
&& (!bfd_link_pic (info)
|| !SYMBOLIC_BIND (info, h)
|| !(bfd_link_pie (info)
|| SYMBOLIC_BIND (info, h))
|| !h->def_regular))
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
else

8
ld/ChangeLog
View File

@ -1,3 +1,11 @@
2016-11-24 Jiong Wang <jiong.wang@arm.com>
PR target/20737
* testsuite/ld-arm/pie-bind-locally-a.s: New test source.
* testsuite/ld-arm/pie-bind-locally-b.s: Likewise.
* testsuite/ld-arm/pie-bind-locally.d: New testcase.
* testsuite/ld-arm/arm-elf.exp: Run new testcase.
2016-11-24 Nick Clifton <nickc@redhat.com>
PR ld/20858

1
ld/testsuite/ld-arm/arm-elf.exp
View File

@ -345,6 +345,7 @@ run_dump_test "movw-shared-3"
run_dump_test "movw-shared-4"
run_dump_test "rel32-reject"
run_dump_test "rel32-reject-pie"
run_dump_test "pie-bind-locally"
# Exclude non-ARM-EABI targets.

5
ld/testsuite/ld-arm/pie-bind-locally-a.s Normal file
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@ -0,0 +1,5 @@
.text
.align 2
.global _start
_start:
.word _start(GOT)

6
ld/testsuite/ld-arm/pie-bind-locally-b.s Normal file
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@ -0,0 +1,6 @@
.section .data.rel,"aw",%progbits
.align 2
.type q, %object
.size q, 4
q:
.word _start

9
ld/testsuite/ld-arm/pie-bind-locally.d Normal file
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@ -0,0 +1,9 @@
#source: pie-bind-locally-a.s
#source: pie-bind-locally-b.s
#ld: -pie
#readelf: -Wr
Relocation section '\.rel\.dyn' at offset .* contains 2 entries:
[ ]+Offset[ ]+Info[ ]+Type[ ]+.*
[0-9a-f]+[ ]+[0-9a-f]+[ ]+R_ARM_RELATIVE[ ].*
[0-9a-f]+[ ]+[0-9a-f]+[ ]+R_ARM_RELATIVE[ ].*